---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-491131 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 630 10386 4 4972 15016 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:23:25:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84844sec preferred_lft 84844sec inet6 fe80::f816:3eff:fe23:259c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:33:c4:b2:fc:f1 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-491131) 03/16/26 _x86_64_ (4 CPU) 10:06:50 LINUX RESTART (4 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:28 7.70 0.44 6.81 0.45 220.76 1204.39 6490.75 10:30:11 14.68 0.53 13.24 0.91 19.43 2026.51 4118.11 Average: 11.06 0.48 9.91 0.67 123.85 1600.12 5348.69 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:28 8351612 11507648 4454348 27.21 115212 3202952 4591084 26.35 562568 7117316 24 10:30:11 8828052 12709460 3248368 19.84 134852 3868592 3409980 19.57 781064 6375012 276324 Average: 8589832 12108554 3851358 23.52 125032 3535772 4000532 22.96 671816 6746164 138174 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:28 lo 0.63 0.63 0.37 0.37 0.00 0.00 0.00 0.00 10:20:28 ens3 20.15 14.93 208.84 2.58 0.00 0.00 0.00 0.00 10:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:11 lo 302.19 302.19 287.78 287.78 0.00 0.00 0.00 0.00 10:30:11 ens3 39.55 30.72 422.00 4.04 0.00 0.00 0.00 0.00 10:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 145.78 145.78 138.71 138.71 0.00 0.00 0.00 0.00 Average: ens3 29.49 22.53 311.45 3.28 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-491131) 03/16/26 _x86_64_ (4 CPU) 10:06:50 LINUX RESTART (4 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:28 all 48.32 0.00 0.74 0.05 0.07 50.82 10:20:28 0 40.03 0.00 0.69 0.04 0.07 59.17 10:20:28 1 58.20 0.00 0.78 0.06 0.07 40.88 10:20:28 2 42.72 0.00 0.80 0.04 0.07 56.36 10:20:28 3 52.33 0.00 0.67 0.07 0.07 46.85 10:30:11 all 52.14 0.00 1.05 0.04 0.07 46.71 10:30:11 0 39.39 0.00 1.05 0.03 0.07 59.46 10:30:11 1 63.85 0.00 1.02 0.03 0.07 35.03 10:30:11 2 49.10 0.00 1.10 0.04 0.07 49.69 10:30:11 3 56.22 0.00 1.02 0.04 0.07 42.65 Average: all 50.16 0.00 0.89 0.05 0.07 48.84 Average: 0 39.72 0.00 0.86 0.03 0.07 59.31 Average: 1 60.92 0.00 0.89 0.05 0.07 38.07 Average: 2 45.79 0.00 0.95 0.04 0.07 53.15 Average: 3 54.21 0.00 0.84 0.06 0.07 44.83